In one of the most baffling discoveries of the last decade, scientists have found a clue in a cave to how life might survive ...

An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has found. Scientists investigating the Red Planet’s mind-boggling cave system ...

Caves can be thought of as nature’s original prefabricated homes. Here are five animal species that choose to live in them. While the image of early humans huddled in caves has become an almost ...